Dortmund held a 2-0 halftime lead. In the Matchday 1 game at Signal Iduna Park on August 29, 2026, Serhou Guirassy struck in the 9th minute and Sebastiaan Bornauw put through an own goal in the 45+1 minute to make it 2-0 by the break. The two goals gave Borussia Dortmund a decisive opening-day adva…